Betula papyrifera subsp. papyrifera Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Betulaceae genus Betula species Betula papyrifera Name Homonyms Betula papyrifera var. papyrifera Betula papyrifera f. papyrifera Betula papyrifera subsp. papyrifera